diff --git a/inc/inc.ClassExtensionMgr.php b/inc/inc.ClassExtensionMgr.php
index f114c9efa..f69145f7e 100644
--- a/inc/inc.ClassExtensionMgr.php
+++ b/inc/inc.ClassExtensionMgr.php
@@ -437,7 +437,7 @@ class SeedDMS_Extension_Mgr {
 							$fullfill = false;
 							foreach($dval as $ddval) {
 								$tmp = explode('-', $ddval, 2);
-								if(self::cmpVersion($tmp[0], $version->version()) > 0 || ($tmp[1] && self::cmpVersion($tmp[1], $version->version()) < 0))
+								if(self::cmpVersion($tmp[0], $version->version()) > 0 || (!empty($tmp[1]) && self::cmpVersion($tmp[1], $version->version()) < 0))
 									; // No within version range
 								else
 									$fullfill = true;